Rockwell-automation 1771-IFF/A,D17716.5.116 FAST ANALOG INPUT MODULE Manual de usuario

       

Table of Contents    

 /&%.%)( 2  /&1   In this chapter, we describe:• checking your calibration• calibrating your

1–2 Calibrating Your Module    If a calibration check of your module becomes necessary:1. Verify that the module is i

1–3Calibrating Your Module#" %  #$ The fast analog input module is shipped already calibrated.Calibration of the modu

1–4 Calibrating Your Module !   The BTR echoes back the status of each of the channels to verifycalibration. If selecte

1–5Calibrating Your Module    The BTR echoes back the status of each of the channels to verify thecalibration. If all

1–6 Calibrating Your Module    

&  $ #"! &  $ %   In this chapter, we describe

2–2 Troubleshooting Your Input Module    An invalid scaling data bit (bit 02) is set if invalid scaling data isentere

"")'%)&%)# 2–3Troubleshooting Your Input Module/'%.%*) 4  /'3 The following table lists the

Because of the variety of uses for the products described in thispublication, those responsible for the application and use of this controlequipment m

2–4 Troubleshooting Your Input ModulePublication 1771Ć6.5.116 - July 1996The following allows you to run a check on module operation, andisolate a fa

2–5Troubleshooting Your Input ModulePublication 1771Ć6.5.116 - July 1996BT9:0ENDN1ERENDNERBTWBLOCK TRANSFER WRITERACK:GROUP:MODULE:CONTROL BLOCK:DATA

2–6 Troubleshooting Your Input ModulePublication 1771Ć6.5.116 - July 1996ADDRESSBT9:0 0 1 1 0 0 1 1 0 0 0EN ST DN ERCO EW NR TO RWRLEN DLEN FILE ELEM

2–7Troubleshooting Your Input Module    After determining that the module is operating correctly,troubleshoot any fau

2–8 Troubleshooting Your Input Module    5. Attempt to equalize all grounds at the offending channel beforereconnecti

2–9Troubleshooting Your Input Module        To test the functionality of an input

2–10 Troubleshooting Your Input Module    

     Overview of the Fast AnalogInput ModuleThis chapter, we describe:• features of the module• how the module

3–2 Overview of the Fast Analog Input Module'&"! )  (     &&quo

3–3Overview of the Fast Analog Input Module    3. The module converts analog signals into binary or BCD format,and sto

0'%/%*) 5  4   This manual shows you how to use your Fast Analog Input modulewith an Allen-Bradley p

3–4 Overview of the Fast Analog Input Module    

     Installing the Input ModuleIn this chapter, we tell you about:• calculating the chassis power requirement

.%#-#(' 1  .'  Before installing your input module in the I/O chassis:     %.%- -

 !   Place your module in any I/O module slot of the I/O chassis exceptfor the extreme left slot. This slot is re

+" * %$ 0  +$ SelectionPlugs0$$" $$" $$" $$" $$" $$"

+" * %$ /  +$ Place your module in any slot in the chassis except the leftmost slotwhich is reserved for processors o

Publication 1771Ć6.5.116 - June 1996To install your module in an I/O chassis:1. First, turn off power to the I/O chassis:!ATTENTION: Remove pow

    Connect your I/O devices to the cat. no. 1771-WG wiring armshipped with the module. The wiring arm is attac

Publication 1771Ć6.5.116 - June 1996      "   !" 1All commons are el

Publication 1771Ć6.5.116 - June 1996!      " !  !"  1All commons are

Using This ManualP2–2.&$-$)( 1  0   - )+'-,(!)+'-$)( )(  , )'*&

Publication 1771Ć6.5.116 - June 1996" !    ! "!  #$ !! Source Ground1. Unus

Publication 1771Ć6.5.116 - June 1996           ! Channel 1+Channel 1ĆChanne

Publication 1771Ć6.5.116 - June 1996When using shielded cable wire, ground the foil shield and drainwire only at one end of the cable. We recomm

'"!&!$# (  '#  The front panel of the fast analog input module contains a greenRUN indicator and a red

    

       In this chapter we describe:• block transfer programming• sample programs in the PLC-2

Module ProgrammingPublication 1771Ć6.5.116 - July 1996The PLC-2 program example regulates when each block transfer willbe initiated to eliminate p

Module Programming 7%.,&$6,10 <  7.; Block transfer instructions with the PLC-3 processor use one binaryfile in a data ta

Module Programming8&/-'%7-21 <  8/; The PLC-5 program is very similar to the PLC-3 program with thefollowing excepti

Module Programming 5-5    Scan time is defined as the amount of time it takes for the inputmodule to read the input c

Using This Manual P2–3&%! )  ( The 1771-IFF series A module can be used with any 1771 I/Ochassis. Communication between

Module Programming/'%.%*) 3  /'2 The following description references the sequence numbers inFigure 5.4.Following a

       In this chapter, we describe;• configuring your module’s features• conditioning yo

)! ( $# +  )# During normal operation the processor transfers 1 to 41 words to themodule when you program a block transfer

6-3/'& .&*) 3  /)" Input Voltage and Current Ranges for the Fast Analog Input ModuleNominal Voltage orCurrent

6-4.&$-$)( 0  .( Two's complement binary, data firstIn two’s complement binary – data first mode, the channel data wil

'&"! (  '! The real time sampling (RTS) mode of operation provides datagathered at precisely timed i

    Your module can perform linear conversion of unscaled data toengineering units, (for example; gallons/minute,

$# &  $  Scaling values must always be entered in BCDformat, even if the data format chosen is binary.

    This feature (oversampling) is set in block transfer word 40. Thisword specifies the number of times a channe

6-90 ('!/'+* 4  0*# If a write block of five words, with all zeroes, is sent to the fastanalog input module (cat. no.

Using This ManualP2–4    

6-10Publication 1771Ć6.5.116 - June 1996Bit/Word Descriptions for the Analog Input Module Block TransferWrite Configuration BlockNote that decimal b

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    

 Publication 1771Ć6.5.116 - May 1996    In this chapter, we describe:• reading data from your module• block transfer r

7-2Publication 1771Ć6.5.116 - May 1996When a BTR length of 0 is programmed, the 1771-IFF/A willrespond with the 1771-IFE series A module default len

/'%.%*) 4  2 "! # ## #!*,  %.-  !# !"$#" #

7-4Publication 1771Ć6.5.116 - May 1996When bits 9 and 10 in block transfer write word 3 are set for “two’scomplement – data first configuration,” th

7-5Publication 1771Ć6.5.116 - May 1996Figure 7.3Block Transfer Read in Two's Complement - Data First Configuration, DifferentialInputsDec. Bit

    

 Publication 1771Ć6.5.116 - July 1996 Inputs per module 16 single-ended; 8 differential low levelModule Locat

6#-*$"5*0/ ;  6-9  )"15&3 #+&$5*7&4 0%6-& &4$3*15*0/

A-2Publication 1771Ć6.5.116 - July 1996Description ValueKeyingbetween 10 and 12between 24 and 26Wiring Arm Catalog Number 1771-WGField Wiring Arm Scr

A-3    Table A.CScan Time/SingleĆEnded Mode/Disabled ChannelsBlock Transfer Write Word 41Oversample = 1x Default Ove

%$! '  %&                 

 Publication 1771Ć6.5.116 - July 1996 The following are sample programs for entering data in theconfiguration words of t

B–2 Programming Examples/(+*)'.*-, 1  /+0 The PLC-2 family write block transfer data file should look likeFigure B.1. 

B–3Programming Examples,%('&$+'*) .  ,(- 1. Press [SHIFT][MODE] to display your ladder diagram on theindustrial termin

B–4 Programming Examples-&)('%,(+* /  -). The following is a sample procedure for entering data in theconfiguration words o

       The 4-digit BCD format uses an arrangement of 16 binary digits torepresent a 4-digit

Data Table FormatsC–2    Table C.ABCD RepresentationPlace Value23(8) 22(4) 21(2) 20(1)DecimalEquivalent      

Data Table Formats C–3    Two’s complement binary is used with PLC-3 processors whenperforming mathematical calculatio

Table of Contents7$.+%#6+10 ;  7.:  *#26'4 $,'%6+8'5 10(+)74+0) &q

Data Table FormatsC–4    

     Block Transfer (MiniĆPLCĆ2 andPLCĆ2/20 Processors)Programming multiple GET instructions is similar to

D–2 Block Transfer (Mini-PLC-2 and PLC-2/20 Processors)2!*(" 1(-, 4  2*3 Rung Summary: Once the block transfer read operation i

D–3Block Transfer (Mini-PLC-2 and PLC-2/20 Processors)/'%.%*) 2  /'1 The input module transfers a specific number of wo

D–4 Block Transfer (Mini-PLC-2 and PLC-2/20 Processors)    

  This appendix contains forms useful in setting up your data table.

E–2 Forms%$! )Analog Block Transfer ReadPositionDecimalFile Word15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00PositionFile WordOcta

E–3Forms&%! *Analog Block Transfer WritePositionDecimalFile Word15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00PositionFile Word

E–4 Forms 

Publication 1771Ć6.5.116 - July 1996accuracy, 1-3BCD, 4-1BCD format, 1-3, 4-7digital filtering and scaling, 4-1block transfer, 1-1, 1-3, 2-3, 7-1com

Table of Contents iiiPublication 1771Ć6.5.116 - July 1996Chapter 7Chapter Objective 7-1...Diagnostics Reported by the

IndexI–2*!)$# .  *!- #$( #)''#  %$,' '&*'"#)( '$"  %!

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